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Seattle Mariners vs San Diego Padres Preview

Seattle Mariners vs San Diego Padres preview with model projections: Bryan Woo projected 5.9 K (line 5.5), NRFI probability 59%. Full breakdown inside

Seattle Mariners at San Diego Padres MLB game preview for April 14, 2026
SEA
Seattle Mariners
Bryan Woo RHP
@
9:40 PM ET
Petco Park
SD
San Diego Padres
Michael King RHP
Last updated Tuesday, April 14, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Seattle Mariners at San Diego Padres
Date
Tuesday, April 14, 2026
First Pitch
9:40 PM ET
Venue
Petco Park
Probable Starters
Bryan Woo (RHP) vs Michael King (RHP)
Lineups
Probable
Odds Snapshot
Apr 14, 9:40 PM ET
Last Updated
Apr 14, 1:40 PM ET

Betting Board

Snapshot Apr 14, 9:40 PM ET
Moneyline
SEA -115
SD +106
Total
Over 7 -122
Under 7 +100
Run Line
SEA -1.5 +146
SD +1.5 -176

Model Angles

NRFI Model
NRFI · 59%
+3.9% edge · playable
Projected Total
5.3
model combined runs
Park Factor
0.96
Neutral · HR 0.92
First Pitch Weather
66°F
9.8 mph NW
The Seattle Mariners visit the San Diego Padres at 9:40 PM ET at Petco Park. Probable starters: Bryan Woo for Seattle Mariners opposite Michael King for San Diego Padres. Lineups are projected until first pitch. This preview is built deterministically from projected lineups, probable starters, NRFI model context, market prices, first-pitch weather, park factors, and TheCapperIO model context.
  • Starter matchup: Bryan Woo (Seattle Mariners) vs Michael King (San Diego Padres).
  • Lineup status: projected until official release.
  • NRFI model: 59% probability, lean NRFI, +3.9% edge.

Pitching Matchup

SEA Away
Bryan Woo
RHP · 0-1 · 3 GS
ERA
1.50
WHIP
0.78
K/9
8.50
IP
18.0
Career: 3.13 ERA · 0.97 WHIP · 8.90 K/9
NRFI: 68.6%
1st Inn ERA: 4.92
SD Home
Michael King
RHP · 1-1 · 3 GS
ERA
3.24
WHIP
1.20
K/9
8.10
IP
16.2
Career: 3.24 ERA · 1.19 WHIP · 10.10 K/9
NRFI: 100.0%
1st Inn ERA: 0.00

On the season, Bryan Woo holds the ERA edge in this matchup. Bryan Woo carries a 1.50 ERA and 0.78 WHIP, while Michael King sits at 3.24 ERA and 1.20 WHIP.
Strikeout rates: Bryan Woo at 8.50 K/9, Michael King at 8.10 K/9.
K projections: Bryan Woo at 5.9 (line 5.5)
Michael King projected at 4.9 (line 5.5).
First-inning scoring: Bryan Woo holds a 68.6% career NRFI rate, Michael King at 100.0%. Combined average: 84.3%.
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Bryan Woo vs SD
Proj: 5.9Line: 5.5
+0.4
Confidence:
Michael King vs SEA
Proj: 4.9Line: 5.5
-0.6
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Bryan Woo (Seattle Mariners) is projected for 5.9 strikeouts against a posted line of 5.5. The projection sits 0.4 K above the line, giving the model a Neutral lean at 5/10 confidence.
Win probability on this lean: 50%.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

Michael King (San Diego Padres) is projected for 4.9 strikeouts against a posted line of 5.5. The projection sits 0.6 K below the line, giving the model a Neutral lean at 5/10 confidence.
Win probability on this lean: 50%.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

The Seattle Mariners lineup is more vulnerable to strikeouts in this matchup. San Diego Padres batters K at 22.0%, Seattle Mariners batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
58.8%
probability of NRFI
+3.9%
market edge
Signal
Market implied: 54.9%Model: 58.8%
First 5 Innings
2.9est. F5 runs
SEA
1.50 ERA
6.0 inn/start
SD
3.24 ERA
5.4 inn/start
F5 lean: Moderate SEA
SEA K Projection
Bryan Woo
5.9proj
Line: 5.5
+0.4 NEUTRAL
Confidence
SD K Projection
Michael King
4.9proj
Line: 5.5
-0.6 NEUTRAL
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 58.8% probability of no runs in the first inning, compared to the market's implied probability of 54.9%.

  • That creates a slim 3.9% edge on NRFI.
  • The best available line is NRFI -122 / YRFI +100 at FanDuel.
  • This qualifies as a playable in our publication system.

The home plate umpire for this game has not yet been assigned. MLB typically posts assignments the morning of game day. This article will be updated with full umpire data in the game-day pass.
Our NRFI model sits at 7-14 (33.3%) on official picks this season.

Prop Edges

1 model signal detected
Home Run Elite 0.5
21%
See all today's picks and edges

Lineup & Matchup Breakdown

Seattle Mariners Projected
K%: 22.0
3Cal RaleighSC
Whiff rate: 28.0%Team page
San Diego Padres Projected
K%: 22.0
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Lineup K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Lineup K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Petco Park
Run Factor0.96
HR Factor0.92
Full park profile
Hourly Game Forecast
66°
9 PM
10 mph
NW
64°
10 PM
7 mph
NW
62°
11 PM
5 mph
NW
60°
12 AM
3 mph
NNW
  • Petco Park carries a 0.96 run factor (neutral).
  • Home run factor: 0.92 — the park suppresses HR power.
  • Park notes: Cool San Diego weather; Low humidity suppresses HRs; Shallow right field.
  • First pitch forecast: 66F with 10 mph winds from the NW. Humidity: 63%.
  • Temperature drops from 66F at first pitch to 60F by the late innings.
  • Wind advisory: 10 mph winds from the NW may impact fly balls.

Home plate umpire: Not yet assigned. Updated game-day morning.

Run Projections & Total

  • Our projection model puts the total at 5.3 combined runs, with Seattle Mariners projected for 2.7 and San Diego Padres for 2.6.
  • That's 1.7 runs below the posted total of 7, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
This is a data-first preview, not a pick. Treat the NRFI model signal as context alongside the pitching matchup. Verify current odds before placing any bet. Confirm lineups at first pitch. Bet responsibly. 1-800-GAMBLER.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.